Restore Smooth, Reliable Shifting to Your Suburban
Is your 2007-2008 Chevrolet Suburban 1500 shifting erratically, getting stuck in gear, or showing a check engine light? A failing Transmission Control Module (TCM) can disrupt your vehicle’s performance, turning your dependable family SUV into a source of constant worry. This genuine GM T42 TCM, service number 24238856, arrives pre-programmed to your vehicle’s specific VIN, offering a direct, hassle-free solution to restore the smooth, predictable operation you and your family rely on.
Common Symptoms & Your Solution
If you’re experiencing any of the following issues, a faulty TCM is the likely culprit. Replacing it with this pre-programmed unit is the definitive fix for your 2007-2008 Suburban 1500 TCM problems:
- Harsh, jerky, or delayed shifting between gears.
- The vehicle enters “limp mode,” often stuck in 2nd or 3rd gear.
- Check Engine Light or Transmission Warning Light is illuminated.
- Diagnostic Trouble Codes (DTCs) such as P0700, P0750, or other solenoid-related codes are present.
- Failure to upshift or downshift properly, leading to poor acceleration and decreased fuel economy.
- Complete loss of transmission communication or function.
Key Features & Tangible Benefits
- ✔ Plug & Play Installation: This module is professionally programmed to your Suburban’s VIN before shipping. This eliminates the need for expensive dealership programming, saving you time and money. Simply install it, and you’re ready to drive.
- ✔ Restored Drivability: By precisely managing shift points, torque converter lockup, and line pressure, this TCM brings back the smooth, responsive feel your SUV had when it was new. Enjoy confident acceleration and comfortable cruising once again.
- ✔ Built for Durability: Manufactured to strict OEM standards, this T42 module is designed to withstand the demanding conditions of daily driving, towing, and family hauling, ensuring long-term reliability.
- ✔ Broad Compatibility: This unit is a direct replacement for a wide range of service numbers, including 24252114, 24234503, 24230461, and 24238856, guaranteeing a perfect fit and function for your specific application.
- ✔ Warranty Protection: This unit is backed by our one-year replacement warranty. Drive with the confidence that your investment is protected against defects.
Expert Insight: Why VIN Programming is Non-Negotiable
On modern vehicles like the Suburban, the TCM doesn’t just control the transmission—it communicates constantly with the Engine Control Module (ECM), ABS, and other systems. A generic, non-programmed module can’t speak this unique language, leading to persistent codes, poor performance, or even complete failure. Our VIN-specific programming loads the exact software and calibration files GM intended for your vehicle, ensuring all systems work together seamlessly for optimal safety, fuel efficiency, and performance. It’s the critical step that separates a quick fix from a lasting repair.
Frequently Asked Questions
Do I need to have this module programmed by a dealer?
No. We pre-program the module to your vehicle’s VIN before it ships. It is ready for installation right out of the box, requiring no additional programming or dealer visits.
Where is the TCM located on my 2007-2008 Suburban?
On the 2007-2008 Suburban 1500, the Transmission Control Module is typically located in the engine compartment, right next to the battery. Always disconnect the battery before beginning the replacement process.
Will this fix a P0700 transmission fault code?
A P0700 code is a general fault code indicating the TCM has detected a problem. While a faulty module itself can cause this, it often points to other issues the TCM is seeing. Replacing a known-bad 2007-2008 Suburban 1500 TCM is a common and effective way to clear this and related codes.
Is this installation difficult for a DIY mechanic?
The installation is generally straightforward for someone with basic mechanical skills. It involves disconnecting the battery, unplugging the electrical connectors, unbolting the old module, and installing the new one. The entire process typically takes less than 30 minutes.
Is there a core charge for my old part?
No, there is no core charge required for this part. You can keep your old module without any hassle or need to return it.